CN108178915A - A kind of production method of aqueous PU foam gloves - Google Patents
A kind of production method of aqueous PU foam gloves Download PDFInfo
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- CN108178915A CN108178915A CN201810149872.2A CN201810149872A CN108178915A CN 108178915 A CN108178915 A CN 108178915A CN 201810149872 A CN201810149872 A CN 201810149872A CN 108178915 A CN108178915 A CN 108178915A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/0033—Use of organic additives containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
- B29L2031/4864—Gloves
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2407/00—Characterised by the use of natural rubber
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2411/00—Characterised by the use of homopolymers or copolymers of chloroprene
- C08J2411/02—Latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2489/00—Characterised by the use of proteins; Derivatives thereof
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Abstract
A kind of production method of aqueous PU foam gloves, including：S1:Prepare foaming rubber cement：The rubber cement that foams is included by 90~120 parts of aqueous polyurethanes of mass fraction, 10~30 parts of polychloroprene latexs or styrene-butadiene latex or Heveatex, 0.5~6 part of crosslinking agent, 1~10 part of foaming agent, 0~6 part of thickener, 0~2 part of aqueous color paste, 0~20 part of water, aforementioned component hybrid concurrency bubble；S2:Dipping foaming rubber cement：Gloves embryo is dipped into the foaming rubber cement prepared by step S1；S3:The gloves that vulcanization drying is handled through step S2.The aqueous PU foam gloves of the present invention make pollution-free, nonhazardous, without DMF.Particularly add in a certain proportion of polychloroprene latex or styrene-butadiene latex or Heveatex, it is crosslinked and connected by the active group of a certain proportion of crosslinking agent and aqueous polyurethane, make glove product while necessary comfort level pliability, air penetrability is obtained, also assure the water resistance, wearability and mechanical strength of aqueous PU foam type gloves, convenient for wearing, product quality and the experience of user are significantly improved.
Description
Technical field
The present invention relates to a kind of production methods of aqueous PU foam gloves.
Background technology
Polyurethane material is the abbreviation of polyurethanes, and English name is polyurethane, it is a kind of macromolecule
Material, abbreviation PU.During the aqueous PU gloves of production and sales currently on the market, by aqueous PU, rubber foam is not made, and leads to hand
The gas permeability of set is poor, and user's comfort is very poor, and containing harmful organic solvent in glove material, during use
It can cause the sweat generated on hand that can not be discharged to outside in time, and sweat is contacted with gloves, and sweat toxic has some
Solvent dissolution is absorbed by the body by pore.And the aqueous PU feels not foamed are also harder, and wearing is inconvenient less to relax
It is suitable.In addition, some commercially available aqueous PU gloves, water resistance is very poor, slightly with water wash by rubbing with the hands it is several under be just damaged, resistance to threading compared with
It is short, service life some even only 1 time.
Invention content
For the defects in the prior art, it is an object of the present invention to provide a kind of production methods of aqueous PU foam gloves, lead to
The composition for changing aqueous PU foam rubber cement is crossed, effectively improves the material capability of aqueous PU gloves, improves usage experience, and extend hand
Cover service life, particularly water resistance and permeability.
To achieve the above objectives, the present invention provides a kind of production method of aqueous PU foam gloves, including：
Step S1:Prepare foaming rubber cement：The rubber cement that foams is included by mass fraction 90~120 parts of aqueous polyurethanes, 10~30
Part polychloroprene latex or styrene-butadiene latex or Heveatex, 0.5~6 part of crosslinking agent, 1~10 part of foaming agent, 0~6 part of thickener, 0~2
Part aqueous color paste, 0~20 part of water, aforementioned component hybrid concurrency bubble；
Step S2:Dipping foaming rubber cement：Gloves embryo is dipped into the foaming rubber cement prepared by step S1；
Step S3:The gloves that vulcanization drying is handled through step S2.
Preferably, the aqueous polyurethane that step S1 is used is polyether type aqueous polyurethane, polyester-type aqueous polyurethane or preceding
State two kinds of mixing.
Preferably, in step S1, foaming rubber cement foams preparation according to the following ratio：100~120 parts of aqueous polyurethanes, 20~
30 parts of polychloroprene latexs or styrene-butadiene latex or Heveatex, 1~5 part of crosslinking agent, 1~6 part of foaming agent, 0~5 part of thickener, 0~
1.5 parts of aqueous color pastes, 2~10 parts of water.Preferably, step S1 is the one kind such as zinc oxide, zinc carbonate, zinc stearate using crosslinking agent
Or aforementioned arbitrary several combination.The crosslinking agent can be used alone, and can also be used in mixed way, and zinc oxide accounts for 80% left side during mixing
The right side, zinc stearate 20% or so or zinc carbonate 80% or so and zinc stearate 20% or so.
Preferably, the crosslinking agent that step S1 is used can be one kind or preceding of polynary amine, polyalcohols, aziridines etc.
State arbitrary several combination.Wherein, polynary amine can be propane diamine or MOCA；Polyalcohols can be polyethylene glycol, polypropylene glycol
Or trimethylolpropane.
Preferably, the foaming agent that step S1 is used can be potassium oleate, neopelex, dodecyl sulphate
The anion surfactants such as sodium, potassium laurate are a kind of or the arbitrary combination of aforementioned items.Why lived using anionic surface
Property agent, be because aqueous PU is anionic emulsion, if using cationic surfactant, zwitterion occurs anti-in lotion
Should, cause foaming emulsion highly unstable；And nonionic surfactant foaming effect is undesirable, does not reach requirement.
Preferably, the coefficient of foaming of the foaming rubber cement prepared by step S1 is 1.1-1.5 times.By the way that foaming agent is controlled to add
Ratio and blowing temperature avoid coefficient of foaming excessive, cause the final mechanical strength wearability of product, service life, water resistance by
To influence；And the too low then pliability of coefficient of foaming is inadequate, it is impossible to reach ideal usage comfort.
Preferably, the thickener that step S1 is used can be Sodium Polyacrylate, cellulose, sodium cellulosate, polyacrylic
A kind of arbitrary combination of or aforementioned items such as thickener, casein, PVA (polyvinyl alcohol).Preferably, the gloves embryo in step S2
For chemical fibre knitted gloves embryo or cotton wool gloves embryo, when impregnated gloves embryo is chemical fibre knitted gloves embryo, foamed glue is being impregnated
Before slurry, the pretreatment of a gloves embryo dipping coagulator is further included, effect is covered on embryo by coagulator closure estate agent
Larger hole, during preventing dipping rubber cement, rubber cement enters that gloves embryo is inboard and solidification, causes user's Boardy Feeling and not
It is comfortably and underproof.And the hole of cotton wool gloves embryo is smaller, rubber cement is not easy to penetrate into inboard, does not need to be pre- advanced
The processing of row dipping coagulator.The coagulator is mass fraction 5%-20% calcium nitrate aqueous solutions or 5%-20% calcium chloride water
Solution, the calcium nitrate methanol soln of 2%-5%, 2%-5% calcium chloride methanol solution in any one, impregnate coagulator when
Gloves embryo temperature is 45~55 DEG C.When impregnating coagulator, it is that alcohol is molten that gloves embryo, which requires heat to certain temperature, particularly coagulator,
During liquid, it can so help the alcohol (alcohol of liquid under the room temperature such as methanol or ethyl alcohol) in coagulator that can quickly volatilize away, it is no
If then gloves temperature when immersing in coagulator is too low, alcohol liquid is difficult to volatilize away, and follow-up impregnation slurry will appear when processing
Drop wear, seep through or decortication a series of problems, such as.Preferably, the alcohol that the alcoholic solution is selected is the room temperature such as methanol, ethyl alcohol, propyl alcohol
Low-carbon alcohols for liquid condition.Alcoholic solution is got rid of relative to aqueous solution more easily by the method for volatilization.
Wherein, the step S3 includes first low temperature drying, again high temperature two stages of drying.Preferably, in step S3, low temperature
It is 30~45min that temperature, which is 65~85 DEG C of times,.Preferably, in step S3, it is 60 100~120 DEG C of times that high-temperature temperature, which is ,~
90min。
The purpose of first cryogenic vulcanization is, since latex film forming process is slower, to pass through tightly packed process, if opened
Begin just using high temperature vulcanized, it is easy to so that the surface of product rapid-result dense film soon, and it is internal since moisture is more, steam can not
Discharge can only form bubbling in product surface, cause serious product defects, especially latex dipping class thick product, therefore need
To pass through first cryogenic vulcanization (≤90 DEG C) 30 minutes or so, be easier product processing, defect is avoided to generate；Then high temperature is carried out
Vulcanize (≤90 DEG C) 60 minutes or more, reach product performance and production standard.
Mill base is to be dispersed in the semi-products formed in paint vehicle by pigment or pigment and filler material, can be added in as needed or not
It adds in.Title oil pastes with pure oil for adhesive.Using resin paint vehicle as the title resin mill base of adhesive.It is added by medium of water
The color stuffing slurry that surfactant-dispersed forms is known as aqueous color paste.Since there are many paint vehicle type, mill base type is also very much.In order to
Pigment etc. is made to be better dispersed in paint vehicle, often in the fabrication process, adds a small amount of surfactant, adds zinc naphthenate etc..
The advantageous effects of the present invention are：
In the aqueous PU foam gloves manufacturing process of the present invention without using toxic organic solvents (including polyurethane and mill base all
All be using water as medium), thus without organic volatile it is pollution-free, without toxic DMF.Chlorine is suitably added in the rubber cement that foams is prepared
Fourth latex, styrene-butadiene latex or Heveatex, the deficiency of the aqueous PU resin rubbers intensity of reinforcement, the crosslinking agent added in foaming,
And crosslinking agent is made to be maintained at proper proportion, for being crosslinked two kinds of latex (aqueous PU resins and polychloroprene latex, aqueous PU resins and fourths
Benzene latex, aqueous PU resins and Heveatex) active group, such as carboxyl, the mechanical strength of effective enhanced article and water-fast
Performance.Through warm water foam washing and wash verification by rubbing with the hands, the addition of crosslinking agent can effectively improve the water resistance of product really.Through actual production
It makes using verification, the glove surface that the present invention makes is smooth, and no bubbling, glue-line are uniform, and water resistance and wearability are good, safety
Reliably, more comfortable soft, convenient for wearing the advantages that good mechanical performance, permeability is more preferable, can discharge sweat vapour, big in time
The big experience for improving user.
Object of the present invention, feature and advantage will be in following specific embodiments and claim in detail
Exposure.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
Step S1:Prepare foaming rubber cement：It is mixed into the aqueous polyether-type PU (solid content mass fraction 30%) of 100 mass parts
The polychloroprene latex of 20 mass parts is closed, adds the zinc oxide crosslinking agent of 3 mass parts, after stirring 15 minutes, adds in 5 mass parts
Water after then addition 1 mass parts of aqueous black paste stir evenly, is added in 3 parts of potassium oleate foaming agent, is sent out using foaming machine
Bubble adds in 3 mass parts Sodium Polyacrylates and thickens viscosity to 2000mpa.s to 1.3 times.
Step S2:Dipping foaming rubber cement：Chemical fibre knitted gloves embryo is sleeved on fingerprint, during 35 DEG C of fingerprint temperature, by gloves
It is dipped into the calcium nitrate aqueous solution of mass fraction 20%, then takes out, 70 DEG C of drying and processings are after 15 minutes, then are impregnated into step
Prepared frothed aqueous PU rubber cements in S1 drip glue and place 15 seconds again after taking-up, placed by dripping glue, make gloves embryo surface
Glue-line is evenly.
Step S3:Vulcanization drying：It is dried after glue surface does not flow：75 DEG C~80 DEG C dry 30 minutes, 105 DEG C~110
It DEG C dries and can be prepared by aqueous PU foam gloves in 70 minutes.
Embodiment 2
Step S1:Prepare foaming rubber cement：To 120 mass parts waterborne polyester type PU (solid content mass fraction 30%~
40%) 10 parts of polychloroprene latexs of mixing in add the zinc titanate crosslinking agent of 0.5 mass parts, after stirring 15 minutes, add in 2 mass
The water of part after then addition 1.5 mass parts of aqueous black paste stir evenly, adds in the neopelex hair of 6 mass parts
Infusion is foamed using foaming machine to 1.5 times, and the casein sodium for adding in 1 mass parts thickens viscosity to 1900mpa.s.
Step S2:Dipping foaming rubber cement：Chemical fibre gloves embryo is sleeved on fingerprint, during fingerprint temperature 45 C, gloves are impregnated
It into the calcium chloride water of mass fraction 10%, then takes out, 65 DEG C of drying and processings after twenty minutes, then are impregnated into step S1
Prepared frothed aqueous PU rubber cements, gloves embryo drop glue is placed 20 seconds after taking-up, is placed by dripping glue, is made gloves embryo surface
Glue-line is evenly.
Step S3:Vulcanization drying：It is dried after glue surface does not flow：65 DEG C~70 DEG C dry 45 minutes, 110 DEG C~120
It DEG C dries and can be prepared by aqueous PU foam gloves in 60 minutes.
Embodiment 3
Step S1:Prepare foaming rubber cement：To 90 mass parts aqueous polyether-type PU (solid content mass fraction 30%~
40%) styrene-butadiene latex of 15 parts of mixing, adds 2 mass parts zinc oxide and zinc stearate mixture (8 in:2 mass mixings) make
For crosslinking agent, stirring after ten minutes, is added in the water of 8 mass parts, adds in 10 parts of potassium laurate foaming agent, carried out using foaming machine
Foaming adds in the Sodium Polyacrylate thickening of 5 mass parts to 1.1 times.
Step S2:Dipping foaming rubber cement：Cotton interlock gloves embryo direct impregnation is entered into step S1 prepared foaming water
Property PU rubber cements in, take out drop glue place 20 seconds, treat that glue surface does not flow.
Step S3:Vulcanization drying：It is dried after glue surface does not flow：75 DEG C~85 DEG C dry 30 minutes, 110 DEG C~120
It DEG C dries and can be prepared by aqueous PU foam gloves in 60 minutes.
Embodiment 4
Step S1:Prepare foaming rubber cement：To 100 mass parts aqueous polyether-type PU (solid content mass fraction 40%~
50%) 25 parts of Heveatexes are mixed into, first add in the zinc carbonate of 1 mass parts and zinc stearate (8:2 mass) mixed cross-linker,
Stirring after twenty minutes, adds in the water of 10 mass parts, after then 2 parts of aqueous black paste of addition stirs evenly, adds in 1 part of lauric acid
Potassium foaming agent is foamed using foaming machine to 1.2 times, is added in 4 mass parts PVA and is thickened to 1800mpa.s.
Step S2:Dipping foaming rubber cement：Chemical fibre knitted gloves embryo is sleeved on fingerprint, during fingerprint temperature 45 C, by gloves
It is dipped into the calcium nitrate methanol soln of mass fraction 5%, then takes out, 70 DEG C of drying and processings are after 15 minutes, then are impregnated into step
Prepared frothed aqueous PU rubber cements in rapid S1, then gloves embryo drop glue is placed 10 seconds, treat that glue surface does not flow.
Step S3:Vulcanization drying：It is dried after glue surface does not flow：65 DEG C~75 DEG C dry 45 minutes, 110 DEG C~120
It DEG C dries and can be prepared by aqueous PU foam gloves in 60 minutes.
Embodiment 5
Step S1:Prepare foaming rubber cement：To 110 mass parts aqueous polyether-type PU (solid content mass fraction 40%~
50%) 30 parts of polychloroprene latexs of mixing in, first add in the polypropylene glycol crosslinking agent of 5 mass parts, and stirring after ten minutes, adds in 5 mass
The water of part is added in 3 parts of potassium laurate foaming agent, is foamed using foaming machine to 1.2 times, and the PVA for adding in 2 mass parts increases
It is thick.
Step S2:Dipping foaming rubber cement：Gloves embryo is sleeved on fingerprint, during 40 DEG C of fingerprint temperature, gloves are dipped into matter
In the calcium chloride methanol solution for measuring number 2%, then take out, 70 DEG C of drying and processings are after 15 minutes, then are impregnated into step S1
Prepared frothed aqueous PU rubber cements take out and again place gloves embryo drop glue 15 seconds.
Step S3:Vulcanization drying：It is dried after glue surface does not flow：70 DEG C~85 DEG C dry 40 minutes, 110 DEG C~120
It DEG C dries and can be prepared by aqueous PU foam gloves in 60 minutes.
Embodiment 6
Step S1:Prepare foaming rubber cement：It is mixed into the aqueous polyether-type PU (solid content mass fraction 40%) of 110 mass parts
Enter 18 parts of polychloroprene latexs, first add in the MOCA crosslinking agents of 6 mass parts, stirring after ten minutes, adds in the water of 3 mass parts, Ran Houjia
Enter after 0.1 part of aqueous black paste stirs evenly, add in 5 parts of potassium laurate foaming agent, foamed using foaming machine to 1.4
Times.
Step S2:Dipping foaming rubber cement：Cotton interlock gloves embryo direct impregnation is entered into step S1 prepared foaming water
Property PU rubber cements, take out again by gloves embryo drop glue place 20 seconds.
Step S3:Vulcanization drying：It is dried after glue surface does not flow：75 DEG C~85 DEG C dry 30 minutes, 110 DEG C~150
It DEG C dries and can be prepared by aqueous PU foam gloves in 70 minutes.
Using gas permeability detector, according to (GB/T7755-2003/ISO2782:1995) vulcanization rubber or thermoplasticity rubber
Glue carry out ventilation characteristic measuring, measure under the pressure of 10MPa, embodiment 1-6 make aqueous PU foam gloves air penetrability according to
Secondary is 0.050,0.065,0.035,0.040,0.45,0.055 (being superior to artificial leather 0.025).Therefore, by embodiment 1-6 systems
Standby aqueous PU foam gloves are it can be confirmed that its gas permeability is significantly better than that common aqueous PU gloves (are less than under 10MP a
0.02).In addition, wearer dresses experience, aqueous PU foam gloves surface prepared by the method for the present invention is smooth, gloves material glue surface
Thickness is highly uniform consistent, and more common PU gloves are soft, comfort level is preferable.
Comparative example 1
The operation same as Example 1 of comparative example 1, is only not added with any crosslinking agent.
Step S1:Prepare foaming rubber cement：It is mixed into the aqueous polyether-type PU (solid content mass fraction 30%) of 100 mass parts
The polychloroprene latex of 20 mass parts is closed, after stirring 15 minutes, crosslinking agent is added without, adds the water of 5 mass parts, add 1 matter of aqueous black paste
After amount part stirs evenly, add 3 parts of potassium oleate foaming agent, foamed using foaming machine to 1.3 times, add in 3 mass parts poly- third
Olefin(e) acid sodium is thickened to viscosity 2000mpa.s.
Step S2:Chemical fibre knitted gloves embryo is sleeved on fingerprint, during 35 DEG C of fingerprint temperature, gloves are dipped into mass fraction
It in 20% calcium nitrate aqueous solution, then takes out, 70 DEG C of drying and processings are after 15 minutes, then are impregnated into prepared in step S1
Frothed aqueous PU rubber cements drip glue and place 15 seconds again after taking-up, placed by dripping glue, make the glue-line of gloves embryo surface evenly.
Step S3:It is dried after glue surface does not flow：75 DEG C~80 DEG C are dried 30 minutes, and 105 DEG C~110 DEG C are dried 70 points
Clock.
Comparative example 2
The operation same as Example 1 of comparative example 1, but it is not added with neoprene latex, styrene-butadiene latex or natural rubber latex reinforcement latex
With any crosslinking agent
Step S1:Prepare foaming rubber cement：Add the water of 5 mass parts to the aqueous polyether-type PU of 100 mass parts, add aqueous black
It starches after 1 mass parts stir evenly, adds 3 parts of potassium oleate foaming agent, foamed using foaming machine to 1.3 times, add in polypropylene
Sour sodium is thickened to viscosity 2000mpa.s.
Step S2:Chemical fibre knitted gloves embryo is sleeved on fingerprint, during 35 DEG C of fingerprint temperature, gloves are dipped into mass fraction
It in 20% calcium nitrate aqueous solution, then takes out, 70 DEG C of drying and processings are after 15 minutes, then are impregnated into prepared in step S1
Frothed aqueous PU rubber cements drip glue and place 15 seconds again after taking-up, placed by dripping glue, make the glue-line of gloves embryo surface evenly.
Step S3:It is dried after glue surface does not flow：75 DEG C~80 DEG C are dried 30 minutes, and 105 DEG C~110 DEG C are dried 70 points
Clock.
The aqueous PU foam gloves that aqueous PU foam gloves prepared by embodiment 1-6 are prepared with comparative example 1 and comparative example 2
Carry out water-fast test and comparison.By embodiment 1-6 and comparative example 1, comparative example 2 in water by being impregnated at 35 DEG C through 12 hours
Afterwards, pick up and wash 10S by rubbing with the hands gloves will not be caused damaged, and comparative example 1 at 35 DEG C after 12 hours impregnate, can be led through washing 10S by rubbing with the hands
Gloves is caused breakage occur, comparative example 2 after 12 hours impregnate, picks up several lower about 2~3S clocks of gently kneading just at 35 DEG C
There is cut.It can be seen that the addition Strengthenable aqueous PU foam rubbery intensity of neoprene latex, styrene-butadiene latex or Heveatex
Deficiency, and crosslinking agent adds in the water resistance and mechanical strength that more can further improve finished product together.
Claims (10)
1. a kind of production method of aqueous PU foam gloves, which is characterized in that it includes：
Step S1:Prepare foaming rubber cement：The rubber cement that foams is included by 90~120 parts of aqueous polyurethanes of mass fraction, 10~30 parts of chlorine
Fourth latex or styrene-butadiene latex or Heveatex, 0.5~6 part of crosslinking agent, 1~10 part of foaming agent, 0~6 part of thickener, 0~2 part of water
Property mill base, 0~20 part of water, aforementioned component hybrid concurrency bubble；
Step S2:Dipping foaming rubber cement：Gloves embryo is dipped into the foaming rubber cement prepared by step S1；
Step S3:The gloves that vulcanization drying is handled through step S2.
2. production method according to claim 1, which is characterized in that in step S1, foaming rubber cement foams according to the following ratio
It prepares：100~120 parts of aqueous polyurethanes, 20~30 parts of polychloroprene latexs or styrene-butadiene latex or Heveatex, 1~5 part of crosslinking agent, 1
~6 parts of foaming agents, 0~5 part of thickener, 0~1.5 part of aqueous color paste, 2~10 parts of water.
3. production method according to claim 1 or 2, which is characterized in that the aqueous polyurethane that step S1 is used is polyethers
Type aqueous polyurethane, polyester-type aqueous polyurethane or aforementioned two kinds of mixing.
4. production method according to claim 1 or 2, which is characterized in that the crosslinking agent that step S1 is used is zinc oxide, carbon
The arbitrary combination of one kind or aforementioned items in sour zinc and zinc stearate.
5. production method according to claim 1 or 2, which is characterized in that the crosslinking agent that step S1 is used for polynary amine,
The arbitrary combination of one kind or aforementioned items in polyalcohols and aziridines；Wherein described polyamine class is for propane diamine or to two
O-chloraniline methane；The polyalcohols are polyethylene glycol, polypropylene glycol or trimethylolpropane.
6. production method according to claim 1 or 2, which is characterized in that the foaming agent that step S1 is used is anion table
Face activating agent, the anion surfactant are potassium oleate, neopelex, lauryl sodium sulfate and lauric acid
The arbitrary combination of one kind or aforementioned items in potassium.
7. production method according to claim 1 or 2, which is characterized in that the foaming of the foaming rubber cement prepared by step S1
Multiple is 1.1-1.5 times.
8. production method according to claim 1 or 2, which is characterized in that the thickener that step S1 is used is polyacrylic acid
Sodium, cellulose, sodium cellulosate, agent for polyacrylic acid thickening, casein and polyvinyl alcohol is a kind of or the arbitrary combination of aforementioned items.
9. production method according to claim 1 or 2, which is characterized in that the gloves embryo in step S2 is knitted hand for chemical fibre
Embryo or cotton wool gloves embryo are covered, when the gloves embryo is chemical fibre knitted gloves embryo, before the foaming rubber cement is impregnated, is further included
The pretreatment of one gloves embryo dipping coagulator, the coagulator is mass fraction 5%-20% calcium nitrate aqueous solutions or 5%-
20% calcium chloride water, the calcium nitrate methanol soln of 2%-5%, 2%-5% calcium chloride methanol solution in it is any one
Kind.
10. production method according to claim 1 or 2, which is characterized in that the step S3 includes first low temperature drying, again
High temperature dries two stages：It is 30~45min that cryogenic temperature, which is 65~85 DEG C of times,；High-temperature temperature is
60~90min.
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| CN109123849A (en) * | 2018-07-27 | 2019-01-04 | 赛立特(南通)安全用品有限公司 | A kind of manufacture craft of true foam gloves of the glue surface with lines |
| CN109135257A (en) * | 2018-08-08 | 2019-01-04 | 山东星宇手套有限公司 | A kind of preparation method of aqueous PU frosted gloves |
| CN111040417A (en) * | 2019-12-24 | 2020-04-21 | 上海华峰新材料研发科技有限公司 | Preparation method of water-based matte polyurethane dipped gloves |
| CN113068887A (en) * | 2021-03-18 | 2021-07-06 | 浙江康隆达特种防护科技股份有限公司 | Rubber coating safety glove and preparation method thereof |
| CN113072801A (en) * | 2021-03-31 | 2021-07-06 | 牛剑科技有限公司 | Biodegradable environment-friendly glove |
| CN114150509A (en) * | 2021-11-19 | 2022-03-08 | 合肥科天水性科技有限责任公司 | Preparation method of neoprene superfine fiber synthetic leather |
| CN114164675A (en) * | 2021-11-19 | 2022-03-11 | 合肥科天水性科技有限责任公司 | Preparation method of natural latex superfine fiber synthetic leather |
| CN117209811A (en) * | 2023-09-22 | 2023-12-12 | 江苏恒辉安防股份有限公司 | Preparation method of self-deodorizing high-wear-resistance water-based PU (polyurethane) coated glove |
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| CN114164675A (en) * | 2021-11-19 | 2022-03-11 | 合肥科天水性科技有限责任公司 | Preparation method of natural latex superfine fiber synthetic leather |
| CN117209811A (en) * | 2023-09-22 | 2023-12-12 | 江苏恒辉安防股份有限公司 | Preparation method of self-deodorizing high-wear-resistance water-based PU (polyurethane) coated glove |
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